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    Expansion Vessels & Ancillaries

    Expansion vessels, also known as expansion tanks, can be found in most domestic pressurised heating systems. If you have a combi boiler, you will have an expansion vessel. This vessel contains air and water from the central heating system, and its purpose is to maintain the right level of pressure in the system.

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    Picture of 8L CORE Heating Expansion Vessel

    8L CORE Heating Expansion Vessel

    CHV8L
    CORE Heating Expansion Vessel 8 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C.
    Status: In Stock
    Picture of 12L CORE Heating Expansion Vessel

    12L CORE Heating Expansion Vessel

    CHV12L
    CORE Heating Expansion Vessel 12 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C.
    Status: In Stock
    Picture of 18L CORE Heating Expansion Vessel

    18L CORE Heating Expansion Vessel

    CHV18L
    CORE Heating Expansion Vessel 18 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C.
    Status: In Stock
    Picture of 25L CORE Heating Expansion Vessel

    25L CORE Heating Expansion Vessel

    CHV25L
    CORE Heating Expansion Vessel 25 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C.
    Status: In Stock
    Picture of 35L CORE Heating Expansion Vessel

    35L CORE Heating Expansion Vessel

    CHV35L
    CORE Heating Expansion Vessel 35 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 50L CORE Heating Expansion Vessel

    50L CORE Heating Expansion Vessel

    CHV50L
    CORE Heating Expansion Vessel 50 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 80L CORE Heating Expansion Vessel

    80L CORE Heating Expansion Vessel

    CHV80L
    CORE Heating Expansion Vessel 80 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 100L CORE Heating Expansion Vessel

    100L CORE Heating Expansion Vessel

    CHV100L
    CORE Heating Expansion Vessel 100 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 150L CORE Heating Expansion Vessel

    150L CORE Heating Expansion Vessel

    CHV150L
    CORE Heating Expansion Vessel 150 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 200L CORE Heating Expansion Vessel

    200L CORE Heating Expansion Vessel

    CHV200L
    CORE Heating Expansion Vessel 200 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 300L CORE Heating Expansion Vessel

    300L CORE Heating Expansion Vessel

    CHV300L
    CORE Heating Expansion Vessel 300 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 400L CORE Heating Expansion Vessel

    400L CORE Heating Expansion Vessel

    CHV400L
    CORE Heating Expansion Vessel 400 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 500L CORE Heating Expansion Vessel

    500L CORE Heating Expansion Vessel

    CHV500L
    CORE Heating Expansion Vessel 500 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 600L CORE Heating Expansion Vessel

    600L CORE Heating Expansion Vessel

    CHV600L
    CORE Heating Expansion Vessel 600 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 800L CORE Heating Expansion Vessel

    800L CORE Heating Expansion Vessel

    CHV800L
    CORE Heating Expansion Vessel 800 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 1000L CORE Heating Expansion Vessel

    1000L CORE Heating Expansion Vessel

    CHV1000L
    CORE Heating Expansion Vessel 1000 Litre. 6 bar Maximum Working Pressure. Working Temperature -10 - 70°C. (with legs)
    Status: In Stock
    Picture of 8L CORE Potable Expansion Vessel

    8L CORE Potable Expansion Vessel

    CPV8L
    CORE Potable Expansion Vessel 8 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 12L CORE Potable Expansion Vessel

    12L CORE Potable Expansion Vessel

    CPV12L
    CORE Potable Expansion Vessel 12 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 18L CORE Potable Expansion Vessel

    18L CORE Potable Expansion Vessel

    CPV18L
    CORE Potable Expansion Vessel 18 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 24L CORE Potable Expansion Vessel

    24L CORE Potable Expansion Vessel

    CPV24L
    CORE Potable Expansion Vessel 24 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 35L CORE Potable Expansion Vessel

    35L CORE Potable Expansion Vessel

    CPV35L
    CORE Potable Expansion Vessel 35 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 50L CORE Potable Expansion Vessel

    50L CORE Potable Expansion Vessel

    CPV50L
    CORE Potable Expansion Vessel 50 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 80L CORE Potable Expansion Vessel

    80L CORE Potable Expansion Vessel

    CPV80L
    CORE Potable Expansion Vessel 80 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 100L CORE Potable Expansion Vessel

    100L CORE Potable Expansion Vessel

    CPV100L
    CORE Potable Expansion Vessel 100 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 150L CORE Potable Expansion Vessel

    150L CORE Potable Expansion Vessel

    CPV150L
    CORE Potable Expansion Vessel 150 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 200L CORE Potable Expansion Vessel

    200L CORE Potable Expansion Vessel

    CPV200L
    CORE Potable Expansion Vessel 200 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 300L CORE Potable Expansion Vessel

    300L CORE Potable Expansion Vessel

    CPV300L
    CORE Potable Expansion Vessel 300 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 500L CORE Potable Expansion Vessel

    500L CORE Potable Expansion Vessel

    CPV500L
    CORE Potable Expansion Vessel 500 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 750L CORE Potable Expansion Vessel

    750L CORE Potable Expansion Vessel

    CPV750L
    CORE Potable Expansion Vessel 750 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of 1000L CORE Potable Expansion Vessel

    1000L CORE Potable Expansion Vessel

    CPV1000L
    CORE Potable Expansion Vessel 1000 Litre. 10 bar Maximum Working Pressure. Working Temperature -10 - 100 °C. WRAS approved.
    Status: In Stock
    Picture of Advantay ER-18 Heating Vessel (Red)

    Advantay ER-18 Heating Vessel (Red)

    AD0093000018
    Advantay ER series 18 Litre Heating Expansion Vessel. 3/4” Male Connection. Max Operating Pressure 8 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 410mm, Wall mounting (with suitable bracket) - Red
    Status: Out of Stock
    Picture of Advantay ER-24 CE Heating Vessel (Red)

    Advantay ER-24 CE Heating Vessel (Red)

    AD0093000024
    Advantay ER series 24 Litre Heating Expansion Vessel. 3/4” Male Connection. Max Operating Pressure 8 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 355mm, Wall mounting (with suitable bracket) - Red
    Status: Out of Stock
    Picture of Advantay ERCE 35 Heating Vessel (Integral Bracket)

    Advantay ERCE 35 Heating Vessel (Integral Bracket)

    AD0093000035
    Advantay ER series 35 Litre Heating Expansion Vessel with Integrated Bracket. 3/4” Male Connection. Max Operating Pressure 10 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 390mm – Red
    Status: Out of Stock
    Picture of Advantay ERCE 50 Heating Vessel (Integral Bracket)

    Advantay ERCE 50 Heating Vessel (Integral Bracket)

    AD0093000050
    Advantay ER series 50 Litre Heating Expansion Vessel with Integrated Bracket. 3/4” Male Connection. Max Operating Pressure 10 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 500mm – Red
    Status: Out of Stock
    Picture of Advantay ERCE 100 Heating Vessel (Floor Standing)

    Advantay ERCE 100 Heating Vessel (Floor Standing)

    AD0093000100
    Advantay ER series 100 Litre Free Standing Heating Expansion Vessel. 3/4” Male Connection. Max Operating Pressure 10 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 775mm – Red
    Status: Out of Stock
    Picture of Advantay ERCE 250 Heating Vessel (Floor Standing)

    Advantay ERCE 250 Heating Vessel (Floor Standing)

    AD0093000250
    Advantay ER series 250 Litre Free Standing Heating Expansion Vessel. 1” Male Connection. Max Operating Pressure 10 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 1160mm – Red
    Status: Out of Stock
    Picture of Advantay ERCE 300 Heating Vessel (Floor Standing)

    Advantay ERCE 300 Heating Vessel (Floor Standing)

    AD0093000300
    Advantay ER series 300 Litre Free Standing Heating Expansion Vessel. 1” Male Connection. Max Operating Pressure 10 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 1240mm – Red
    Status: In Stock
    Picture of Advantay D-11 Potable Vessel

    Advantay D-11 Potable Vessel

    AD0093100011
    Advantay D series 11 Litre Potable Heating Expansion Vessel. 3/4” Male Connection. Max Operating Pressure 10 bar (pre-set 3 bar), Max Operating Temp 99°C, Height 300mm, Wall mounting (with suitable bracket) - White
    Status: Out of Stock
    Picture of Advantay D-2 Potable Vessel

    Advantay D-2 Potable Vessel

    AD0093100002
    Advantay D series 2 Litre Potable Heating Expansion Vessel. 1/2” Male Connection. Max Operating Pressure 8 bar (pre-set 1.5 bar), Max Operating Temp 99°C, Height 230mm, Wall mounting (with suitable bracket) - White
    Status: In Stock
    Picture of Advantay D-35 CE Potable Vessel

    Advantay D-35 CE Potable Vessel

    AD0093100035
    Advantay D series 35 Litre Potable Heating Expansion Vessel. 1” Male Connection. Max Operating Pressure 10 bar (pre-set 3 bar), Max Operating Temp 99°C, Height 390mm, Wall mounting (with suitable bracket) - White
    Status: Out of Stock
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